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HP Z3100 and Z3200 Printers Spectrophotometer
Notes on Tools, Materials, and Procedures by Mark Lindquist

REPLACING THE SPECTROPHOTOMETER (ESP)
HP DesignJet  Z3100 - Z3200
 

Mark Lindquist 12/10/2014 - updated --1-10-2017
 

Spectrophtometer replacement on the HP DesignJet  Z3100 - Z3200 PRINTER

By Mark Lindquist  |  August-December 2014-1/5/2017
2017 Lindquist Studios All Rights Reserved

The HP Z3200 ESP


* Important Note:
After replacing the belt or any other part on the printer, the printer will fail the diagnostic test relating to the color sensor.
(Carriage Assembly Test (page 4-27 service manual)

It will come up as:
ERROR 58:11
FAIL DeltaE out of limits.
92.000 > 8

Just ignore it. This is very important to know ahead of time, just like knowing about the rear carriage bushing.




THE HP Z3100 - Z3200 ESP (color sensor) Spectrophotometer is a sturdy measuring device.  Occasionally problems arise.  In the event of an issue with the ESP, replacement parts can be found on eBay.  The Chinese made ESP's seem to work well.  They are slightly different in design, lacking the mirror on the bottom of the unit, but they work fine.

The diagram below is from the HP Service Manual - section 7-17: (Note the ESP on right, #7)



As Bryan Glynn points out, if and when the print head carriage is out, while doing repairs, be sure to inspect it, and clean it as discussed below in the diagram.  The color sensor can be repaired, or an entire print head carriage assembly with the ESP can be simply changed out.  (See manual section 8-92). 



If the color sensor (ESP - figure #7 in first diagram above) acts up while the carriage is still in the printer, while you are using it, try putting a bright light in under the carriage on the right side where the ESP is, get a mechanic's mirror and try spraying a little canned air in the area of the small trap door shutter.  If you can reach it with a sensor swap or pec pad, etc, maybe you can dislodge any crud that may have gotten onto the shutter mirror (tile) and perhaps wipe it somehow.  I have not done this while the printer is functioning, but it would be a last ditch effort before pulling the whole printer apart in order to pull the carriage assembly.

*Note: The top image is from the HP Service Manual, parts of the bottom image are from an HP advertisement. 
These images may be subject to copyright but are being used in an educational capacity here.
 
 

(These are my own personal notes from repairs I have made. 
I have made this web page for my own benefit, so I have a record of what I have done. 
If you use this information, do so at your own risk - I assume no responsibility for errors.)


By Mark Lindquist | August-December 2014-2017 Lindquist Studios All Rights Reserved

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